Chromatographic mass of a polymer and its use for determining the molecular mass characteristics

被引：0

作者：

Savitskii, A. A. ^{[1
]}

Kopylov, V. M. ^{[1
]}

Shragin, D. I. ^{[1
]}

机构：

[1] State Res Inst Chem & Technol Organoelement Cpds, State Unitary Enterprise, Moscow 111123, Russia

来源：

POLYMER SCIENCE SERIES B | 2008年 / 50卷 / 11-12期

关键词：

D O I：

10.1134/S1560090408110080

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The method has been proposed for determining the molecular characteristics of flexible-chain polymers that obey the universal calibration principle and for which there are available experimental data on the intrinsic viscosity. This method is based on studying the dependence of the hydrodynamic volume M (n)[eta], M (w)[eta], M (z)[eta], and M (eta)[eta] on parameter a in the Mark-Kuhn-Houwink equation. It has been found that, for parameter a varying in the range from 0.5 to 0.8, the weight-average hydrodynamic volume M (w)[eta] remains almost unchanged. This allows estimation of M (w) based on a single intrinsic viscosity value. The notion of the chromatographic mass of a polymer is advanced and is employed for determining other molecular mass parameters.

引用

页码：334 / 337

页数：4

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